[time-nuts] Questionable question about the Lucent RFTGs
dk4xp at arcor.de
Fri Dec 5 16:17:08 EST 2014
Am 05.12.2014 um 21:20 schrieb Hal Murray: doug at dougronald.com said:
> The 68000 was "just" a CPU. It didn't have the typical counter/timers (or
> other IO gear) that are found in many modern chips targeted at the embedded
> market. Today, you can probably get everything you need on an Arm SOC.
> That's ROM/Flash, RAM, counter/timer and UART.
The REF1 unit has the 68331 = 68K CPU with Counter/timers, UART,
baudrate gen, real time clock,
watchdog, address decoders, but no onchip memory. Moto's answer to the
And it's got 2 of them, one on the main board and one in the GPS module.
They are good
for 16 MHz. High perfomance is different, nowadays.
(back to looking where I can get clean power for my doubler in the REF1)
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